Experimental study on effect of micro textured surfaces generated by ultrasonic vibration assisted face turning on friction and wear performance

2016 ◽  
Vol 390 ◽  
pp. 633-648 ◽  
Author(s):  
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H. Nouri Hosseinabadi ◽  
S.A. Sajjady
2018 ◽  
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pp. 18 ◽  
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M. PRAKASH ◽  
SELVAM MILON D. ◽  
P. RAGUPATHI ◽  
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Xiao-song Jiang ◽  
Yu-cheng Guo ◽  
Da-ming Sun ◽  
Xing-long Wang ◽  
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pp. 106891
Author(s):  
Hongwei Ruan ◽  
Yaoming Zhang ◽  
Song Li ◽  
Lijun Yang ◽  
Chao Wang ◽  
...  

Wear ◽  
2021 ◽  
pp. 203723
Author(s):  
Yixu Niu ◽  
Xianjuan Pang ◽  
Shiwei Yue ◽  
Bao Shangguan ◽  
Yongzhen Zhang

Author(s):  
Waleed Al-Sallami ◽  
Pourya Parsaeian ◽  
Abdel Dorgham ◽  
Anne Neville

Trihexyltetradecylphosphonium bis(2-ethylhexyl)phosphate (phosphonium phosphate) ionic liquid is soluble in non-polar lubricants. It has been proposed as an effective anti-wear additive comparable to zinc dialkyldithiophosphate. Previously, phosphonium phosphate has shown a better anti-wear performance under some conditions such as high temperature. In this work, the tribological performance and the lubrication mechanism of phosphonium phosphate are compared with that of zinc dialkyldithiophosphate when lubricating silicon under various tribological conditions. This can lead to an understanding of the reasons behind the superior anti-wear performance of phosphonium phosphate under some conditions. A micro-scale study is conducted using a nanotribometer. The results show that both additives lead to a considerable reduction in both friction and wear coefficients. The reduction in the wear coefficient is mainly controlled by the formation of the tribofilm on the rubbing surfaces. Zinc dialkyldithiophosphate can create a thicker tribofilm, which results in a better anti-wear performance. However, the formation of a thicker film will lead to a faster depletion and thus phosphonium phosphate can provide better anti-wear performance when the depletion of zinc dialkyldithiophosphate starts.


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